the thing they're not talking about are mitt romney's taxes. the idea that they can look back and talk about taxes and ryan still getting caught with these lies and then the next day saying that's exactly what we meant to say. how does this work, errol. >> a promise has been made. a big broad promise has been made to splash taxes. it's estimated by a reasonable objective source that this could cost treasury 5 trillion-dollar over ten years. a lot of people are naturally curious. where are you going to get that 5 trillion-dollar, and it's not in this ticket's political best interest to answer this question. let's say they can do this. the mortgage deduction is going to have to go. there are a number of important tax loopholes, if you want to call them that, or tax incentives that will have to be ended. this is not something they're prepared to talk about. politically you have to understand that. they have 27 days left. it's not in anybody's best interest to say we're going to hawk at the most important entitlement that they've had for generation